GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS - Additional Information (Details)				1 Months Ended	3 Months Ended					6 Months Ended	9 Months Ended	12 Months Ended
	Oct. 01, 2022 USD ($)	Sep. 30, 2022 USD ($)	Oct. 01, 2021 USD ($)	Oct. 31, 2022 item segment	Dec. 31, 2022 USD ($)	Sep. 30, 2022 USD ($)	Jun. 30, 2022 USD ($)	Sep. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Jun. 30, 2022 USD ($)	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($) segment	Dec. 31, 2021 USD ($)	Dec. 31, 2019 USD ($)	Mar. 31, 2022 USD ($)	Sep. 30, 2021 USD ($)	Jun. 30, 2021 USD ($)	Mar. 31, 2021 USD ($)
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Number of reporting units | item				16
Number of reporting units in each of other business segments | segment				3
Goodwill, impairment loss												$ 7,240,000	$ 0
Indefinite-Lived License Agreements		$ 495,832,000			$ 488,419,000	$ 495,832,000	$ 487,640,000			$ 487,640,000	$ 495,832,000	$ 488,419,000	501,420,000		$ 501,420,000	$ 503,524,000	$ 503,524,000	$ 482,442,000
Number of reportable segments | segment												4
Amortization of Intangible Assets												$ 3,700,000	3,700,000
Term of radio broadcast station license												8 years
Renewal term of radio broadcast station license												8 years
Goodwill and intangible assets impairment										14,905,000	$ 30,355,000	$ 40,683,000	2,104,000
Radio Broadcasting Segment
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Number of radio markets | item				13
Goodwill, impairment loss												7,240,000	0
Atlanta [Member]
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Goodwill, impairment loss						0	4,300,000
Philadelphia market
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Goodwill, impairment loss					2,900,000
Radio Broadcasting Licenses [Member]
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Indefinite-Lived License Agreements					488,400,000							488,400,000
Impairment of indefinite lived intangible assets	$ 7,400,000	$ 15,500,000	$ 2,100,000				3,700,000			$ 10,600,000		33,443,000	2,104,000
Fair value adjustment understated (overstated)								$ (2,300,000)	$ 2,800,000				2,100,000	$ 1,100,000
Radio Broadcasting Licenses [Member] | Atlanta and Richmond [Member]
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Impairment of indefinite lived intangible assets							8,700,000
Radio Broadcasting Licenses [Member] | INDIANA
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Impairment of indefinite lived intangible assets							1,900,000
Radio Broadcasting Licenses [Member] | Atlanta Dallas Houston And Raleigh Market Radio Broadcasting Licenses [Member]
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Fair value adjustment understated (overstated)						1,000,000.0	$ 1,700,000
Radio Broadcasting Licenses [Member] | Cincinnati Dallas Houston and Raleigh Market Radio Broadcasting Licenses [Member] [Member]
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Impairment of indefinite lived intangible assets					$ 7,400,000
Radio Broadcasting Licenses [Member] | Atlanta Dallas Houston Raleigh And Richmond Market Radio Broadcasting Licenses [Member]
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Impairment of indefinite lived intangible assets						$ 15,500,000
Goodwill and Radio Broadcasting Licenses [Member]
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Goodwill and intangible assets impairment												$ 40,700,000	$ 2,100,000